Home / 155,130.32-232,480.19-70,684.10

Finding the Fourth Proportional to 155,130.32, 232,480.19 and 70,684.10

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Solution

The fourth proportional to 155,130.32, 232,480.19 and 70,684.10 is: 105,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,130.32 : 232,480.19 = 70,684.10 : x
  2. Step 2: Convert to fraction form
    155,130.32/232,480.19 = 70,684.10/x
  3. Step 3: Cross multiply
    155,130.32x = 232,480.19 × 70,684.10
  4. Step 4: Simplify right side
    155,130.32x = 16,432,654,191.79
  5. Step 5: Solve for x
    x = 16,432,654,191.79/155,130.32
  6. Step 6: Final answer
    x = 105,928.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.